1) coefficient of variation of standard deviation
标准差变异系数
1.
Through analyzing the dangerous trends of these enterprises with sample mean value and coefficient of variation of standard deviation,it was.
运用样本均值和标准差变异系数分析企业整体危险的趋同性,认为69家企业整体危险程度不高,物量指数、工艺系数、设备系数、环境系数、厂房系数依次是监管的重点,应加大对安全设施的督查力度。
2) coefficient of variation (stan-dard deviation)
变异系数(标准差)
3) standard deviation coefficient
标准差系数
1.
Analysis on how to influence the standard deviation coefficient by utilizing the unit contribution margin;
单位毛利对标准差系数影响的分析
2.
Based on this result, the relationship between the Gini coefficient of some distribution and the standard deviation coefficient was discussed, also a method for discussing for general distributions function the Gini coefficient was given, i.
作者运用数理统计的手段 ,分析了在经济学中广为应用的描述性曲线 -洛伦茨曲线y =L ( t)的数理实质 ,给出其积分表达式 ,L ( t) =( 1/ Eξ) ∫t0 F-1( u) du,并在此基础上讨论某些分布的吉尼系数与标准差系数的关系 ,同时给出一个讨论一般分布函数的吉尼系数的途径 :将分布函数展成泰勒级
4) coefficient of standard deviation
标准差系数
1.
In the paper,we discuss some questions about indices of characteristic variation in statistics such as standard deviation,simple method of standard deviation and coefficient of standard deviation.
主要讨论统计学中标准差、标准差简捷法和标准差系数等标志变异指标的若干问
2.
The growth rates of the earning per share and the sales have the same coefficient of standard deviation, indicating that the leverage doesn t change the growth rates of the business relative risk.
每股收益和销售量的增长率有相同的标准差系数 ,表明杠杆作用没有改变企业收益增长率的相对风
5) difference of variation coefficient
变异系数差
1.
By applying multiple central limit theorem,it′s proved that difference of variation coefficient of two normal distribution is asymotic normality.
利用多元中心极限定理,证明了两个正态分布变异系数差具有渐近正态性,从而给出了一种新的检验两个正态总体变异系数差异的方法。
6) standard differences
标准差异
1.
Recently, the exports of China\'s chemical products have grown rapidly, while they have been hampered severely for standard differences, especially when the REACH regulation has been put into practice by EU in June, 2007.
近年来,我国化工产品出口迅速增长,其因标准差异受阻形势也越来越严峻。
补充资料：变异系数
分子式：
CAS号：
性质：又称相对标准差。是测定标准差与测定平均值之比，以符号V表示。可用它来比较在量纲或数量级上不同的测定数组的相对离散程度的大小。
CAS号：
性质：又称相对标准差。是测定标准差与测定平均值之比，以符号V表示。可用它来比较在量纲或数量级上不同的测定数组的相对离散程度的大小。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条